ANS (SNS & PNS)

Question 1

What is Bethanechol used for?

Answer 1

Treats urinary retention

Question 2

What kind of drug is bethanechol & how does it work?

Answer 2

Bethanechol is a cholinergic drug (rare) and it works by increasing tone in bladders for urine release

Question 3

Who should not receive bethanechol?

Answer 3

GI/Urinary obstruction and COPD (increased secretions)

Question 4

What is atropine used for?

Answer 4

Anticholinergic effects —>
Decrease motility and secretions
Eye/Bronchodilation and increase HR

Question 5

Who should not take atropine due to anticholinergic effects?

Answer 5

High vitals, Bleeding, Glaucoma

Question 6

What is Phenylephrine used for?

Answer 6

(constricting Blood vessels) Nasal decongestion, eye dilation, and low BP

Question 7

What kind of drug is phenylephrine and how does it work?

Answer 7

alpha adrenergic agonist

Question 8

What is the risk of phenylephrine use?

Answer 8

Rebound congestion/bradycardia and glaucoma worsening

Question 9

What is Prazosin used for and how does it work?

Answer 9

Decreasing Hypertension by relaxing peripheral blood vessels

Question 10

What kind of drug is prazosin

Answer 10

Adrenergic blocking drug

Question 11

What is the major consideration with prazosin (2)

Answer 11

Can cause orthostatic hypotension…
so 1st dose should be at bed time and small